/*
* Copyright 2002-2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.config.xml;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertSame;
import java.util.Map;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.expression.Expression;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.SubscribableChannel;
import org.springframework.integration.endpoint.EventDrivenConsumer;
import org.springframework.integration.handler.AbstractReplyProducingMessageHandler;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.integration.transformer.ContentEnricher;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Mark Fisher
* @since 2.1
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class EnricherParserWithRequestPayloadExpressionTests {
@Autowired
private ApplicationContext context;
@Test
@SuppressWarnings("unchecked")
public void configurationCheck() {
Object endpoint = context.getBean("enricher");
assertEquals(EventDrivenConsumer.class, endpoint.getClass());
Object handler = TestUtils.getPropertyValue(endpoint, "handler");
assertEquals(ContentEnricher.class, handler.getClass());
ContentEnricher enricher = (ContentEnricher) handler;
assertEquals(99, enricher.getOrder());
DirectFieldAccessor accessor = new DirectFieldAccessor(enricher);
assertEquals(context.getBean("output"), accessor.getPropertyValue("outputChannel"));
assertEquals(false, accessor.getPropertyValue("shouldClonePayload"));
Expression requestPayloadExpression = (Expression) accessor.getPropertyValue("requestPayloadExpression");
assertEquals("payload.age", requestPayloadExpression.getExpressionString());
Map<Expression, Expression> propertyExpressions = (Map<Expression, Expression>) accessor.getPropertyValue("propertyExpressions");
for (Map.Entry<Expression, Expression> e : propertyExpressions.entrySet()) {
if ("name".equals(e.getKey().getExpressionString())) {
assertEquals("'Name as SpEL'", e.getValue().getExpressionString());
}
else if ("age".equals(e.getKey().getExpressionString())) {
assertEquals("payload.sourceName", e.getValue().getExpressionString());
}
else {
throw new IllegalStateException("expected 'name' and 'age' only, not: " + e.getKey().getExpressionString());
}
}
}
@Test
public void integrationTest() {
SubscribableChannel requests = context.getBean("requests", SubscribableChannel.class);
requests.subscribe(new AbstractReplyProducingMessageHandler() {
@Override
protected Object handleRequestMessage(Message<?> requestMessage) {
assertTrue("Expected the payload of the requestMessage to be a String",
requestMessage.getPayload() instanceof Integer);
Integer payload = (Integer) requestMessage.getPayload();
assertEquals("Expected value: 99", Integer.valueOf(99), payload);
return new Source(String.valueOf(payload));
}
});
Target original = new Target();
original.setAge(99);
Message<?> request = MessageBuilder.withPayload(original).build();
context.getBean("input", MessageChannel.class).send(request);
Message<?> reply = context.getBean("output", PollableChannel.class).receive(0);
Target enriched = (Target) reply.getPayload();
assertEquals("Name as SpEL", enriched.getName());
assertEquals(99, enriched.getAge());
assertSame(original, enriched);
}
private static class Source {
private final String sourceName;
Source(String sourceName) {
this.sourceName = sourceName;
}
@SuppressWarnings("unused")
public String getSourceName() {
return sourceName;
}
}
public static class Target implements Cloneable {
private volatile String name;
private volatile int age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Object clone() {
Target copy = new Target();
copy.setName(this.name);
copy.setAge(this.age);
return copy;
}
}
}